Valentina, a 6-year-old girl, has just lost her mother. To face the maternal absence, she creates a fictional planet in the garden of the house of her neighbor, Cecília. Her world is shaken by the arrival of Francisco, a 15-year-old Argentine boy, Cecília’s grandson. The meeting between the two ends up arousing jealousy in Valentina’s father, Antônio, and bringing up discussions on important topics such as life and death.